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Finding the Fourth Proportional to 57,499.08, 86,235.64 and 15,949.32

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Solution

The fourth proportional to 57,499.08, 86,235.64 and 15,949.32 is: 23,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,499.08 : 86,235.64 = 15,949.32 : x
  2. Step 2: Convert to fraction form
    57,499.08/86,235.64 = 15,949.32/x
  3. Step 3: Cross multiply
    57,499.08x = 86,235.64 × 15,949.32
  4. Step 4: Simplify right side
    57,499.08x = 1,375,399,817.76
  5. Step 5: Solve for x
    x = 1,375,399,817.76/57,499.08
  6. Step 6: Final answer
    x = 23,920.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.